import { useState } from "react";
import ReactEcharts from 'echarts-for-react';

function Echart(){
    console.log('Echarts')
    const [sales, setSales] = useState([5, 20, 36, 10, 10, 20]);
    const [stores, setStores] = useState([15, 120, 36, 110, 110, 20]);
    const getOption = (sal, sto) => {
        return {
            title: {
                text: '某站点用户访问来源',
                subtext: '纯属虚构',
                x: 'center'
            },
            tooltip: {
                trigger: 'item',
                formatter: "{a} <br/>{b} : {c} ({d}%)"
            },
            legend: {
                orient: 'vertical',
                left: 'left',
                data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎']
            },
            series: [
                {
                    name: '访问来源',
                    type: 'pie',
                    radius: '55%',
                    center: ['50%', '60%'],
                    data: [
                        { value: 335, name: '直接访问' },
                        { value: 310, name: '邮件营销' },
                        { value: 234, name: '联盟广告' },
                        { value: 135, name: '视频广告' },
                        { value: 1548, name: '搜索引擎' }
                    ],
                    itemStyle: {
                        emphasis: {
                            shadowBlur: 10,
                            shadowOffsetX: 0,
                            shadowColor: 'rgba(0, 0, 0, 0.5)'
                        }
                    }
                }
            ]
        }
    };

    return(
        <div>
            echarts
            <ReactEcharts option={getOption(sales, stores)} />
        </div>
    )
}

export default Echart